Biodiesel production using cation-exchange resin as heterogeneous catalyst

被引:149
|
作者
Feng, Yaohui [1 ]
He, Benqiao [1 ]
Cao, Yuhe [1 ]
Li, Jianxin [1 ]
Liu, Meng [1 ]
Yan, Feng [1 ]
Liang, Xiaoping [1 ]
机构
[1] Tianjin Polytech Univ, Sch Mat Sci & Engn, Minist Educ, Key Lab Hollow Fiber Membrane Mat & Proc, Tianjin 300160, Peoples R China
关键词
Cation-exchange resin; Biodiesel; Esterification; Acidified oil; FREE FATTY-ACIDS; ACETIC-ACID; ESTERIFICATION; 1-BUTANOL; OILS;
D O I
10.1016/j.biortech.2009.07.084
中图分类号
S2 [农业工程];
学科分类号
0828 ;
摘要
Three types of cation-exchange resins (NKC-9, 001 x 7 and D61) as solid acid catalysts were employed to prepare biodiesel from acidified oils generated from waste frying oils. The results show that the catalytic activity of NKC-9 was higher than that of 001 x 7 and D61. The conversion of the esterification by NKC-9 increased with increasing in the amount of catalyst, reaction temperature and time and methanol/oil molar ratio. The maximal conversion of reaction is approximately 90.0%. Furthermore, NKC-9 resin exhibits good reusability. Gas chromatography-mass spectrometry analysis reveals that the production is simplex and mainly composed of C16:0 (palmitic), C18:2 (linoleic), and C18:1 (oleic) acids of methyl ester, respectively. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1518 / 1521
页数:4
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